Fix merge issue.

src/Services/Ordering/Ordering.API/Controllers/OrdersController.cs

@@ -1,4 +1,5 @@
 using MediatR;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.eShopOnContainers.Services.Ordering.API.Application.Commands;
 using Microsoft.eShopOnContainers.Services.Ordering.API.Application.Queries;